WebBrowser/CookieJar/CookieExceptionsModel.py

branch
QtWebEngine
changeset 4845
2d22ff71c005
parent 4631
5c1a96925da4
child 4895
3baaf8303a7f
equal deleted inserted replaced
4840:69ee7965ba27 4845:2d22ff71c005
1 # -*- coding: utf-8 -*-
2
3 # Copyright (c) 2009 - 2016 Detlev Offenbach <detlev@die-offenbachs.de>
4 #
5
6 """
7 Module implementing the cookie exceptions model.
8 """
9
10 from __future__ import unicode_literals
11
12 from PyQt5.QtCore import Qt, QAbstractTableModel, QSize, QModelIndex
13 from PyQt5.QtGui import QFont, QFontMetrics
14
15
16 class CookieExceptionsModel(QAbstractTableModel):
17 """
18 Class implementing the cookie exceptions model.
19 """
20 def __init__(self, cookieJar, parent=None):
21 """
22 Constructor
23
24 @param cookieJar reference to the cookie jar (CookieJar)
25 @param parent reference to the parent object (QObject)
26 """
27 super(CookieExceptionsModel, self).__init__(parent)
28
29 self.__cookieJar = cookieJar
30 self.__allowedCookies = self.__cookieJar.allowedCookies()
31 self.__blockedCookies = self.__cookieJar.blockedCookies()
32 self.__sessionCookies = self.__cookieJar.allowForSessionCookies()
33
34 self.__headers = [
35 self.tr("Website"),
36 self.tr("Status"),
37 ]
38
39 def headerData(self, section, orientation, role):
40 """
41 Public method to get header data from the model.
42
43 @param section section number (integer)
44 @param orientation orientation (Qt.Orientation)
45 @param role role of the data to retrieve (integer)
46 @return requested data
47 """
48 if role == Qt.SizeHintRole:
49 fm = QFontMetrics(QFont())
50 height = fm.height() + fm.height() // 3
51 width = \
52 fm.width(self.headerData(section, orientation, Qt.DisplayRole))
53 return QSize(width, height)
54
55 if orientation == Qt.Horizontal and role == Qt.DisplayRole:
56 try:
57 return self.__headers[section]
58 except IndexError:
59 return None
60
61 return QAbstractTableModel.headerData(self, section, orientation, role)
62
63 def data(self, index, role):
64 """
65 Public method to get data from the model.
66
67 @param index index to get data for (QModelIndex)
68 @param role role of the data to retrieve (integer)
69 @return requested data
70 """
71 if index.row() < 0 or index.row() >= self.rowCount():
72 return None
73
74 if role in (Qt.DisplayRole, Qt.EditRole):
75 row = index.row()
76 if row < len(self.__allowedCookies):
77 if index.column() == 0:
78 return self.__allowedCookies[row]
79 elif index.column() == 1:
80 return self.tr("Allow")
81 else:
82 return None
83
84 row -= len(self.__allowedCookies)
85 if row < len(self.__blockedCookies):
86 if index.column() == 0:
87 return self.__blockedCookies[row]
88 elif index.column() == 1:
89 return self.tr("Block")
90 else:
91 return None
92
93 row -= len(self.__blockedCookies)
94 if row < len(self.__sessionCookies):
95 if index.column() == 0:
96 return self.__sessionCookies[row]
97 elif index.column() == 1:
98 return self.tr("Allow For Session")
99 else:
100 return None
101
102 return None
103
104 return None
105
106 def columnCount(self, parent=QModelIndex()):
107 """
108 Public method to get the number of columns of the model.
109
110 @param parent parent index (QModelIndex)
111 @return number of columns (integer)
112 """
113 if parent.isValid():
114 return 0
115 else:
116 return len(self.__headers)
117
118 def rowCount(self, parent=QModelIndex()):
119 """
120 Public method to get the number of rows of the model.
121
122 @param parent parent index (QModelIndex)
123 @return number of rows (integer)
124 """
125 if parent.isValid() or self.__cookieJar is None:
126 return 0
127 else:
128 return len(self.__allowedCookies) + \
129 len(self.__blockedCookies) + \
130 len(self.__sessionCookies)
131
132 def removeRows(self, row, count, parent=QModelIndex()):
133 """
134 Public method to remove entries from the model.
135
136 @param row start row (integer)
137 @param count number of rows to remove (integer)
138 @param parent parent index (QModelIndex)
139 @return flag indicating success (boolean)
140 """
141 if parent.isValid() or self.__cookieJar is None:
142 return False
143
144 lastRow = row + count - 1
145 self.beginRemoveRows(parent, row, lastRow)
146 for i in range(lastRow, row - 1, -1):
147 rowToRemove = i
148
149 if rowToRemove < len(self.__allowedCookies):
150 del self.__allowedCookies[rowToRemove]
151 continue
152
153 rowToRemove -= len(self.__allowedCookies)
154 if rowToRemove < len(self.__blockedCookies):
155 del self.__blockedCookies[rowToRemove]
156 continue
157
158 rowToRemove -= len(self.__blockedCookies)
159 if rowToRemove < len(self.__sessionCookies):
160 del self.__sessionCookies[rowToRemove]
161 continue
162
163 self.__cookieJar.setAllowedCookies(self.__allowedCookies)
164 self.__cookieJar.setBlockedCookies(self.__blockedCookies)
165 self.__cookieJar.setAllowForSessionCookies(self.__sessionCookies)
166 self.endRemoveRows()
167
168 return True
169
170 def addRule(self, host, rule):
171 """
172 Public method to add an exception rule.
173
174 @param host name of the host to add a rule for (string)
175 @param rule type of rule to add (CookieJar.Allow, CookieJar.Block or
176 CookieJar.AllowForSession)
177 """
178 if not host:
179 return
180
181 from .CookieJar import CookieJar
182
183 if rule == CookieJar.Allow:
184 self.__addHost(
185 host, self.__allowedCookies, self.__blockedCookies,
186 self.__sessionCookies)
187 return
188 elif rule == CookieJar.Block:
189 self.__addHost(
190 host, self.__blockedCookies, self.__allowedCookies,
191 self.__sessionCookies)
192 return
193 elif rule == CookieJar.AllowForSession:
194 self.__addHost(
195 host, self.__sessionCookies, self.__allowedCookies,
196 self.__blockedCookies)
197 return
198
199 def __addHost(self, host, addList, removeList1, removeList2):
200 """
201 Private method to add a host to an exception list.
202
203 @param host name of the host to add (string)
204 @param addList reference to the list to add it to (list of strings)
205 @param removeList1 reference to first list to remove it from
206 (list of strings)
207 @param removeList2 reference to second list to remove it from
208 (list of strings)
209 """
210 if host not in addList:
211 addList.append(host)
212 if host in removeList1:
213 removeList1.remove(host)
214 if host in removeList2:
215 removeList2.remove(host)
216
217 # Avoid to have similar rules (with or without leading dot)
218 # e.g. python-projects.org and .python-projects.org
219 if host.startswith("."):
220 otherRule = host[1:]
221 else:
222 otherRule = '.' + host
223 if otherRule in addList:
224 addList.remove(otherRule)
225 if otherRule in removeList1:
226 removeList1.remove(otherRule)
227 if otherRule in removeList2:
228 removeList2.remove(otherRule)
229
230 self.beginResetModel()
231 self.endResetModel()

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